html, body, div, h1, h2, h3, h4, h5, h6, p, span, img, input, textarea, ul, ol, li, hr {
    margin: 0;
    padding: 0;
}
body{
	font-family:Helvetica; /*中文使用系统默认,英文用Helvetica*/
	max-width: 27rem;
	margin: 0 auto;
}
.page, .page-group {
	background: #FFFFFF;
}
.content {
	letter-spacing: 0.08rem; /*设置字间距*/
}
.margin-top-025 {
	margin-top: 0.25rem;
}

/*左右的padding为0.5rem*/
.padding-05 {
	padding: 0 0.5rem;
}
